CN111702388A - A kind of automatic assembly equipment for heavy truck brake hose - Google Patents

Abstract

The invention relates to the technical field of heavy-duty truck braking, in particular to an automatic assembly device for a heavy-duty truck brake hose, which is applied to coaxially disposing a guide bush, a movable nut and a first limit ring at both ends of a welding piece in sequence, One end of the movable nut is provided with a fixing ring, and the automatic assembly equipment includes: an assembly table; a sliding jaw assembly, which is arranged at the bottom of the assembly table; a rolling assembly, which is arranged on the inner side of the sliding jaw assembly; and a duplex welding assembly, which is arranged on one side of the assembly table ; Feeding components, including welding parts conveyor belt, finished product conveyor belt, guide sleeve feeding belt, nut feeding belt and limit ring feeding belt, the conveyors are arranged side by side on both sides of the assembly table, the welding parts conveyor belt out Both the material end and the feeding end of the finished product conveyor belt face the assembly table; the feeding belt is arranged at both ends of the assembly table; the longitudinal gantry assembly and the transverse duplex gantry assembly, the gantry assembly is arranged on the top of the assembly table, and the equipment can be assembled continuously And welding hose, high work efficiency and precision.

Description

A kind of automatic assembly equipment for heavy truck brake hose

technical field

The invention relates to the technical field of heavy-duty truck braking, in particular to an automatic assembly device for a heavy-duty truck brake hose.

Background technique

The air compressor outlet brake hose on the heavy truck is an indispensable and important part in its braking system. Since the amplitude and frequency of the engine and the chassis are different, the air compressor on the engine and the brake hard pipe on the chassis need to be connected by an air compressor outlet brake hose to effectively weaken and absorb the air between the two. different amplitudes and frequencies.

Chinese patent CN201520541124.0 discloses an air compressor outlet brake hose structure of a heavy truck, which includes an air compressor outlet brake hose, and the air compressor outlet brake hose includes a seamless stainless steel bellows, stainless steel braided The stainless steel braided mesh is covered on the outer surface of the seamless stainless steel bellows; the end of the seamless stainless steel bellows has a welded section, and the welded section is used to be in line with the bellows installation end of the joint Welding; the end of the stainless steel woven mesh is used for welding with the first annular protrusion of the joint.

Manual assembly of the hose is inefficient and has low safety during welding.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, an automatic assembly equipment for heavy truck brake hoses is provided, and this technical solution solves the problem of automatic assembly of heavy truck hoses.

In order to achieve the above purpose, the technical scheme adopted in the present invention is:

An automatic assembly equipment for a heavy truck brake hose is applied to coaxially arrange a guide bush, a movable nut and a first limit ring at both ends of a welding piece in turn, and the welding piece is composed of a corrugated pipe, a braided mesh sleeve and a joint. Welded as a whole, one end of the inner circle of the movable nut is coaxially provided with a fixing ring, and the automatic assembly equipment includes: an assembly table; The jaw part of the jaw assembly is higher than the working surface of the assembly table, and in the working state, the jaw part of the sliding jaw assembly slides in the axial direction; the rolling part, the working end and the welding part are axially arranged on the sliding jaw. The inner side of the jaw end of the component; the duplex welding component, the working end is inclined towards the two ends of the assembly table and is arranged on one side of the assembly table; the feeding component, including the welding parts conveyor belt, the finished product conveyor belt, the guide sleeve feeding belt, the nut feeding belt and Limit ring feeding belt, the conveyors are arranged side by side on both sides of the assembly table, the discharge end of the welding piece conveyor belt and the infeed end of the finished product conveyor belt are both facing the assembly table; the feeding belts are arranged side by side and at equal intervals on the assembly table At both ends, in the working state, the parts on the discharge end of the conveyor belt are all coaxial with the welding parts on the assembly table; the longitudinal gantry assembly and the transverse duplex gantry assembly, the gantry assembly is vertically arranged on the top of the assembly table, the longitudinal The sliding direction of the working end of the gantry assembly is the same as the conveying direction of the conveyor belt, and the duplex working end of the transverse duplex gantry assembly is located at the top of the feeding belt.

Preferably, the sliding jaw assembly includes: a fixing plate, which is arranged at the bottom of the assembly table, and lifting seats are arranged on both sides of the top center of the fixing plate, and a waist-shaped groove is arranged on the lifting seat along the vertical direction; The rod is fixed horizontally on both sides of the top of the fixed plate along the axis of the welding piece; the lifting rod is vertically slid on the top of the fixed plate in the same axial direction as the sliding rod, and the two ends are slidably matched with the waist-shaped groove; the first uniaxial cylinder, It is arranged at the bottom end of the fixed plate and the output shaft vertically penetrates the fixed plate and is fixedly connected to the bottom end of the center of the lifting rod; for the sliding link, the center is slidably connected to both ends of the lifting rod and is horizontal to the fixed plate, and both ends of the sliding link are connected to the linear link. Hinged; Bending rod, the bottom end is slidingly matched with the sliding rod and the center position is hinged with the other end of the linear link; the mounting plate is arranged inside the top of the bending rod, and the working end of the rolling component is arranged inside the mounting plate; The rod is coaxially and the working end is slidably arranged on the sliding rod, and the working end of the pusher is slidably abutted and matched with both sides of the bottom end of the bending rod.

Preferably, the rolling assembly includes: a first rubber roller and a second rubber roller, which are arranged on the inner side of the clamping part of the sliding jaw assembly in the same axial direction as the welding piece; the servo motor, the output shaft and the welding piece are arranged on the sliding side in the same axial direction. The outer side of the clamping jaw part of the clamping jaw assembly; the synchronous belt, one end of the rubber roller is connected with the output shaft of the servo motor for synchronous transmission.

Preferably, the rolling assembly further includes a limit wheel, which is vertically rotated at one end of the jaw portion of the rolling assembly, one end of the first rubber roller and the second rubber roller, the limit wheel and the output shaft of the servo motor are synchronously connected by a synchronous belt, so The limiting wheel is concave and faces the welding piece.

Preferably, the assembling table includes: a placing plate, the sliding jaw assembly is arranged at the bottom end of the placing plate, and the placing plate is provided with an L-shaped chute for avoiding the sliding of the clamping jaw of the sliding jaw assembly; an arc-shaped placing seat, The notch is upward and is arranged on the top of the placing plate coaxially with the welding piece.

Preferably, the duplex welding assembly includes: a fine-tuning lifter, the working end is arranged vertically upward on one side of the assembly table; a longitudinal axis translator and a lateral duplex translator, the translators are sequentially arranged on the working end of the fine-tuning lifter The top; the bracket, vertically arranged on the top of the duplex working end of the transverse duplex translator; the first welding head and the second welding head, the working ends of the welding head are inclined and arranged on the top ends of the brackets on both sides toward the two ends of the welding piece.

Preferably, the longitudinal gantry assembly includes: a first gantry, the sliding direction of the working end and the conveying direction of the welding piece conveyor belt are arranged on the top of the assembly table in the same direction; the slider is slidably arranged on the top of the first gantry; a linear lifter, the output shaft The first wide finger cylinder is arranged at the bottom of the working end of the linear lifter vertically downward; the first wide finger cylinder is arranged at the bottom of the working end of the linear lifter; the first fixed jaw is arranged at the clamping part of the first wide finger cylinder.

Preferably, the transverse duplex gantry assembly includes: a second gantry frame, which is vertically arranged on the top of the assembly table with the longitudinal gantry assembly; a timing belt sliding table, which is horizontally arranged on both sides of the top of the transverse duplex gantry assembly; a ball screw sliding table, Vertically arranged on one side of the working end of the synchronous belt slide; the second wide finger cylinder is set at the bottom of the working end of the ball screw slide through the gripper bracket; the second fixed gripper is set at the clamping part of the gripper bracket, so The bottom end of the clamping side of the second fixed jaw is provided with a guide slot chute, and the top end of the guide slot slot is provided with an arc-shaped slot coaxial with the first limit ring.

Preferably, both ends of the lift rod are also coaxially provided with second limit rings for preventing the sliding track from the waist-shaped groove.

Preferably, the pushing member includes: a pushing member, two sides are slidably arranged on the sliding rod, and the bottom end of the bending rod is located in the notch of the pushing member; a second uniaxial air cylinder, coaxial with the sliding rod, and the output shaft and the outer side of the concave frame Fixed connection.

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention automatically conveys and places the welding parts through the welding parts conveyor belt. Specifically, the welding parts axially and the conveying direction of the welding parts conveyor belts are vertically and equally spaced on the welding parts conveyor belt, and the welding parts are transported; drive; The longitudinal gantry assembly makes its working end clamp the welding parts at the discharge end of the welding part conveyor belt and place it on the assembly table; drive the transverse duplex gantry assembly so that its duplex working end clamps the guide guide on the feeding belt of the guide sleeve on both sides. The sleeves are coaxially abutted on both ends of the welding parts along the axial direction of the welding parts, so that under the action of the end abutting force, the welding parts are located at the center of the assembly table, and the guide bushings are coaxially sleeved on both ends of the welding parts, The working end of the longitudinal gantry assembly is reset; the second single-axis cylinder is activated, so that the concave frame pushes the bending rod to slide on the sliding rod, and the first single-axis cylinder is activated again, so that the output shaft of the device is lifted to guide the outer circumference of the guide sleeve face, drive the center position of the welding piece of the output shaft of the second single-axis cylinder to move, so that the guide bushes tightly abut on both ends of the welding piece; start the servo motor, so that the first rubber roller and the second rubber roller drive the welding piece and the guide guide The sleeve rotates synchronously on the assembly table, so as to facilitate rolling welding;

2. The present invention automatically conveys the guide sleeve, the movable nut and the first limit ring through the guide sleeve feeding belt, the nut feeding belt and the limit ring feeding belt, and is coaxially buttted on both ends of the welding piece through the transverse duplex gantry assembly, Specifically, the duplex working end of the longitudinal gantry assembly is driven to clamp a movable nut on the nut feeding belts on both sides to be coaxially inserted at both ends of the welding piece; the working end of the longitudinal gantry assembly is driven to reset, so that the duplex work in the longitudinal gantry assembly is performed. A first limit ring is coaxially inserted on both ends of the welding piece on the feeding belts of the limit rings on both sides; at the same time, the rolling assembly and the duplex welding assembly are driven, so that the first limit ring is coaxially welded to the welding piece both ends;

3. In the present invention, the finished product is clamped and placed on the finished product conveyor belt by the longitudinal gantry assembly, and the longitudinal gantry assembly is specifically driven, so that the working end clamps the finished product and placed it on the finished product conveyor belt, and the finished product conveyor belt is transported to the designated place.

Description of drawings

Figure 1 is an axial cross-sectional view of the finished product;

2 and 3 are perspective views of the present invention under two different viewing angles;

4 is a perspective view of the duplex welding assembly of the present invention;

Fig. 5 is the perspective view of the assembly table of the present invention;

6 is a perspective view of the sliding jaw assembly of the present invention;

Fig. 7 is a partial enlarged view at E of Fig. 6;

8 is a perspective view of the longitudinal gantry assembly of the present invention;

9 is a perspective view of the transverse gantry assembly of the present invention;

FIG. 10 is a partial enlarged view of F in FIG. 9 .

Description of drawings:

A-welding parts;

B-Guide bushing;

C-active nut; C1-fixed ring;

D - the first limit ring;

1-assembly table; 1a-placement plate; 1a1-L-shaped chute; 1b-arc-shaped placement seat;

2-Sliding jaw assembly; 2a-Fixed plate; 2a1-Lifting seat; 2a2-Waist groove; 2b-Sliding rod; 2c-Lifting rod; 2c1-Second limit ring; 2d-First uniaxial cylinder; 2e -Sliding link; 2f-Linear link; 2g-Bending rod; 2h-Mounting plate; 2i-Pusher; 2i1-Concave frame; 2i2-Second single-axis cylinder;

3-rolling assembly; 3a-first rubber roller; 3b-second rubber roller; 3c-servo motor; 3d-synchronous belt; 3e-limiting wheel;

4-duplex welding assembly; 4a-fine adjustment lifter; 4b-longitudinal axis translator; 4c-transverse duplex translator; 4d-support; 4e-first welding head; 4f-second welding head;

5-feeding components; 5a-welding parts conveyor belt; 5b-finished product conveyor belt; 5c-guide sleeve feeding belt; 5d-nut feeding belt; 5e-limiting ring feeding belt;

6-longitudinal gantry assembly; 6a-first gantry; 6b-slider; 6c-linear lifter; 6d-first wide finger cylinder; 6e-first fixed gripper;

7-transverse duplex gantry assembly; 7a-second gantry; 7b-synchronous belt slide; 7c-ball screw slide; 7d-second wide finger cylinder; 7e-claw bracket; 7f-second fixing clip Claw; 7f1-Guide chute; 7f2-Arc groove.

Detailed ways

The following description serves to disclose the invention to enable those skilled in the art to practice the invention. The preferred embodiments described below are given by way of example only, and other obvious modifications will occur to those skilled in the art.

Referring to an automatic assembly equipment for a heavy truck brake hose shown in FIG. 2 , it is applied to coaxially arrange the guide bush B, the movable nut C and the first limit ring D at both ends of the welding piece A in turn. A is welded into one by the corrugated pipe, the braided mesh sleeve and the joint. One end of the inner circle of the movable nut C is coaxially provided with a fixed ring C1. The automatic assembly equipment includes:

assembly table 1;

Sliding jaw assembly 2, the jaw end is vertically upwardly arranged at the bottom of the working surface of the assembly table 1, the jaw part of the sliding jaw assembly 2 is higher than the working surface of the assembly table 1, and in the working state, the sliding jaw Component 2 The jaws slide along the axial direction;

Rolling assembly 3, the working end is arranged on the inner side of the jaw end of the sliding jaw assembly 2 at the same axial direction when assembling the welding part A;

The duplex welding assembly 4, the working end is inclined toward the two ends of the assembly table 1 and arranged on one side of the assembly table 1;

The feeding assembly 5 includes a welding piece conveyor belt 5a, a finished product conveyor belt 5b, a guide sleeve feeding belt 5c, a nut feeding belt 5d and a limit ring feeding belt 5e. The conveyors are arranged side by side on both sides of the assembly table 1, so The discharge end of the welding piece conveyor belt 5a and the feed end of the finished product conveyor belt 5b are both facing the assembly table 1; The parts are all coaxial with the welding part A on the assembly table 1;

Longitudinal gantry assembly 6 and transverse duplex gantry assembly 7, the gantry assembly is vertically arranged on the top of the assembly table 1, the sliding direction of the working end of the longitudinal gantry assembly 6 is the same as the conveying direction of the conveyor belt, the transverse duplex gantry assembly 7 Duplex working ends are located on top of the feed belt.

The feeding assembly 5 is used to transport the welding piece A, the finished product, the guide bush B, the movable nut C and the first limit ring D; during operation, the welding piece axial direction and the conveying direction of the welding piece conveyor belt 5a are arranged at equal distances perpendicular to the conveying direction. On the welding parts conveyor belt 5a, the welding parts A are conveyed, and the longitudinal gantry assembly 6 is arranged on the top of the assembly table 1, so as to drive the working end of the longitudinal gantry assembly 6 to clamp the welding parts A at the discharge end of the welding parts conveyor belt 5a and place them on the assembly table. On the table 1, and the guide sleeve feeding belt 5c is used to convey the guiding guide sleeve B, thereby driving the transverse duplex gantry assembly 7, so that its duplex working end grips the guiding guide sleeve B on both sides of the guide sleeve feeding belt 5c along the welding. Part A is axially abutted on both ends of the welding part A, and the welding part A is located at the center of the assembly table 1 under the action of the end abutting force, and the guide bushing B is coaxially sleeved on the welding part At both ends of A, the working end of the longitudinal gantry assembly 6 is reset, and the clamping jaws of the sliding jaw assembly 2 move to both sides along the axis of the welding part A and clamp the outer circumferential surface of the guide sleeve B, while sliding the clamping jaw assembly 2. The gripper jaw moves to the center of the welding piece A, so that the guide bush B tightly abuts on both ends of the welding piece A; and the rolling assembly 3 is arranged on the inner side of the gripping claw part of the sliding gripper assembly 2, and the rolling assembly 3 is activated to enable The welding piece A and the guide bushing B are rotated synchronously on the assembly table 1, so that one end of the guide bushing B and the two ends of the welding piece A are welded by the duplex welding assembly 4; The working end clamps a movable nut C on the nut feeding belts 5d on both sides and is coaxially inserted into the two ends of the welding piece A; the working end of the longitudinal gantry assembly 6 is driven to reset, so that the duplex working end of the longitudinal gantry assembly 6 is placed between the two ends. A first limit ring D is clamped on the side limit ring feeding belt 5e to be coaxially inserted at both ends of the welding piece A, and the rolling assembly 3 and the duplex welding assembly 4 are driven at the same time, so that the first limit ring D is coaxially welded At both ends of the welding piece A, the first limit ring D is used to limit the sliding of the fixed ring C1, so as to prevent the first limit ring D from separating from the two ends of the welding piece A, so as to be assembled and formed. After the assembly is completed, the longitudinal gantry assembly 6 is driven. , so that its working end clamps the finished product and places it on the finished product conveyor belt 5b, and is transported to the designated place by the limit ring feeding belt 5e.

As shown in FIG. 6 , the sliding gripper assembly 2 includes: a fixing plate 2a, which is arranged at the bottom of the working table of the assembly table 1, and a lifting seat 2a1 is provided on both sides of the top center of the fixing plate 2a. The upper edge of the lifting seat 2a1 is vertical A waist-shaped groove 2a2 is arranged in the straight direction; the sliding rod 2b is horizontally fixed on both sides of the top of the fixed plate 2a along the axis of the welding part A; And the two ends are slidingly matched with the waist-shaped groove 2a2; the first uniaxial cylinder 2d is arranged at the bottom end of the fixed plate 2a and the output shaft vertically penetrates the fixed plate 2a and is fixedly connected to the bottom end of the center of the lifting rod 2c; Both ends of the lifting rod 2c are slidably connected and are horizontal with the fixed plate 2a, and both ends of the sliding link 2e are hinged with the linear link 2f; One end is hinged; the mounting plate 2h is arranged on the inner side of the top end of the bending rod 2g, and the working end of the rolling assembly 3 is arranged on the inner side of the mounting plate 2h; The working end of the pushing member 2i is in sliding contact with both sides of the bottom end of the bending rod 2g.

When the welding piece A is placed on the assembly table 1, the jaws of the sliding jaw assembly 2 are in an open and closed state. When the two ends of the welding piece A are coaxially sleeved with the guide bushes B, the pusher 2i is activated to make the bending The folding rod 2g slides on the sliding rod 2b along the axial direction to both sides of the welding piece A until the mounting plate 2h is located outside the guide bush B, and the first single-axis air cylinder 2d is activated to lift the output shaft, thereby making the lifting rod 2c Both ends rise vertically under the restriction of the lifting seat 2a1, namely the waist-shaped groove 2a2, so that the sliding link 2e rises synchronously, so that the bending rod 2g is folded inward through the linear link 2f, so as to be installed on the mounting plate 2h. The rolling assembly 3 abuts on the outer circumferential surface of the guide sleeve B, so that the rolling assembly 3 drives the pusher 2i to reset under the abutment action, so that the guide guide sleeve B is tightly abutted on both ends of the welding piece A, so as to facilitate the start-up The rolling assembly 3 makes the assembly of the welding piece A and the guide bushing B rotate on the assembling table 1 , so as to facilitate the welding of the guide bushing B on both ends of the welding piece A.

As shown in FIG. 7 , the rolling assembly 3 includes: a first rubber roller 3a and a second rubber roller 3b, which are rolled in the same axis as the welding member A and arranged inside the clamping portion of the sliding jaw assembly 2; a servo motor 3c, an output shaft The synchronous belt 3d, one end of the rubber roller is connected with the output shaft of the servo motor 3c in a synchronous transmission drive.

When the jaws of the sliding jaw assembly 2 are retracted so that the first rubber roller 3a and the second rubber roller 3b abut on the outer circumferential surface of the guide bush B, the servo motor 3c is activated, and its output shaft drives the first rubber roller through the synchronous belt 3d. A rubber roller 3a and a second rubber roller 3b rotate synchronously on the mounting plate 2h, thereby driving the assembly of the guide bush B and the welding piece A to rotate on the assembly table 1 to facilitate annular welding.

As shown in FIG. 7 , the rolling assembly 3 also includes a limiting wheel 3e, which is vertically rotated at one end of the jaw portion of the rolling assembly 3, one end of the first rubber roller 3a and the second rubber roller 3b, the limiting wheel 3e and the servo motor 3c The output shaft is synchronously connected by a synchronous belt 3d, and the limit wheel 3e is concave and faces the welding piece A.

One end of the first rubber roller 3a and the second rubber roller 3b, the limit wheel 3e and the output shaft of the servo motor 3c are synchronously connected by a synchronous belt 3d, and the limit wheel 3e is concave towards the welding piece A, so that when the servo motor 3c is driven, The timing belt 3d does not contact the welding part A, thereby making the rotation more stable.

As shown in FIG. 5 , the assembly table 1 includes: a placing plate 1a, the sliding jaw assembly 2 is arranged at the bottom end of the placing plate 1a, and the placing plate 1a is provided with an L for avoiding the sliding of the clamping jaw of the sliding jaw assembly 2 The arc-shaped placement seat 1b, with the notch facing up and the welding piece A coaxially arranged at the top of the placement plate 1a.

The welding piece A is coaxially placed on the arc-shaped placing seat 1b, so as to facilitate the abutment adjustment of the two ends of the welding piece A, and the gripper part of the sliding jaw assembly 2 slides on the top of the placing plate 1a through 1b1, Therefore, it is convenient to hold the welding part A for rotation.

As shown in FIG. 6 , the duplex welding assembly 4 includes: a fine adjustment lifter 4a, the working end is arranged vertically upward on one side of the assembly table 1; a longitudinal axis translator 4b and a lateral duplex translator 4c, the translator They are sequentially arranged on the top of the working end of the fine-tuning lifter 4a; the bracket 4d is vertically arranged on the top of the duplex working end of the lateral duplex translator 4c; the first welding head 4e and the second welding head 4f, the working end of the welding head faces the welding The two ends of the piece A are obliquely arranged at the top of the brackets 4d on both sides.

When the welding part A is placed on the assembly table 1 and the guide bushes B are coaxially sleeved on both ends of the welding part A, the assembly is rotated synchronously on the assembly table 1 through the rolling assembly 3, and the fine adjustment lifter 4a is activated to make the first A welding head 4e and a second welding head 4f rise synchronously. By activating the longitudinal axis translator 4b and the transverse duplex translator 4c, the first welding head 4e and the working end of the bracket 4d can abut on the guide bush B The welding ends are welded, so as to facilitate welding both ends of the welding piece A to the guide bushing B to meet the multi-dimensional welding requirements. The bracket 4d is used to obliquely set the first welding head 4e and the second welding head 4f to facilitate welding.

As shown in FIG. 8, the longitudinal gantry assembly 6 includes: a first gantry frame 6a, the sliding direction of the working end and the conveying direction of the welding piece conveyor belt 5a are arranged on the top of the assembly table 1 in the same direction; the slider 6b is slidably arranged on the first gantry frame 6a top; linear lifter 6c, the output shaft is arranged vertically downward at the bottom end of the slider 6b; the first wide finger cylinder 6d is arranged at the bottom of the working end of the linear lifter 6c; the first fixed jaw 6e, It is provided in the grip portion of the first wide finger cylinder 6d.

When the welding part A is placed on the welding part conveyor belt 5a, the slider 6b is activated, so that the slider 6b slides on the first gantry 6a to the top of the discharge end of the welding part conveyor belt 5a, and the linear lifter 6c is activated to make it work The end is lowered vertically, so that the linear lifter 6c can clamp and place the welding piece A on the assembly table 1 through the first fixing jaw 6e or clamp the finished product to the finished product conveyor belt 5b.

As shown in FIG. 9 , the transverse duplex gantry assembly 7 includes: a second gantry frame 7a, which is vertically arranged on the top of the assembly table 1 with the longitudinal gantry assembly 6; On both sides; the ball screw slide table 7c is vertically arranged on one side of the working end of the synchronous belt slide table 7b; the second wide finger cylinder 7d is set at the bottom of the working end of the ball screw slide table 7c through the clamping jaw bracket 7e; the second The fixed jaw 7f is arranged on the clamping part of the jaw bracket 7e, the bottom end of the clamping side of the second fixed jaw 7f is provided with a guide slot 7f1, and the top of the guide slot 7f1 is provided with the first limit The arc-shaped groove 7f2 of the circle D is coaxial.

When the welding part A is placed on the assembly table 1, the synchronous belt sliding table 7b is activated, so that the ball screw sliding table 7c slides relative to the second gantry frame 7a, thereby driving the second wide finger cylinder 7d so that its working end drives the clamping jaws The bracket 7e and the second wide finger cylinder 7d are vertically lowered, so that the guide guide sleeve B, the movable nut C and the first limit ring D are easily clamped by the second fixed jaws 7f to be butted against the two ends of the welding piece A, and the clamping When holding the first limit ring D, the second fixed jaw 7f descends, and the guide slot 7f1 slides with the outer circumferential surface of the first limit ring D, so that the first limit ring D slides to the arc-shaped groove 7f2, so as to facilitate the butt joint with both ends of the welding piece A.

As shown in FIG. 6 , both ends of the lift rod 2c are also coaxially provided with second limit rings 2c1 for preventing the sliding track from the waist-shaped groove 2a2.

The second limiting ring 2c1 is used to prevent the lift rod 2c from sliding along the axial direction on the waist-shaped groove 2a2.

As shown in FIG. 6 , the pusher 2i includes: a pusher 2i, two sides of which are slidably arranged on the sliding rod 2b, and the bottom end of the bending rod 2g is located in the notch of the pusher 2i; a second uniaxial cylinder 2i2, and the sliding rod 2b is coaxial and the output shaft is fixedly connected to the outside of the concave frame 2i1.

Activate the second uniaxial air cylinder 2i2 to extend its output end, so that the pusher 2i abuts on the bottom end of the bending rod 2g and slides on the sliding rod 2b, so as to facilitate the guide of the sliding jaw assembly 2 along the jaw portion. The assembly table 1 slides axially, so that the guide bush B can be clamped to be tightly abutted against both ends of the welding piece A.

The working principle of the present invention:

This device realizes the function of the present invention through the following steps, and then solves the technical problem proposed by the present invention:

Step 1: The welding parts are arranged on the welding parts conveyor belt 5a at equal distances perpendicular to the conveying direction of the welding parts conveyor belt 5a in the axial direction, and the welding parts A are transported;

Step 2: Drive the longitudinal gantry assembly 6 so that its working end clamps the welding piece A at the discharge end of the welding piece conveyor belt 5a and places it on the assembly table 1;

Step 3: Drive the transverse duplex gantry assembly 7 so that its duplex working end grips the guide sleeve B on both sides of the guide sleeve feeding belt 5c and abuts the two ends of the welding part A coaxially along the axis of the welding part A, so that Under the action of the end abutting force of the welding piece A, the welding piece A is located at the center of the assembly table 1, and the guide bushes B are coaxially sleeved on both ends of the welding piece A, and the working end of the longitudinal gantry assembly 6 is reset;

Step 4: Activate the second uniaxial cylinder 2i2, so that the concave frame 2i1 pushes the bending rod 2g to slide on the sliding rod 2b, and activate the first uniaxial cylinder 2d again, so that the output shaft of the actuator is lifted to guide the outer circumference of the guide sleeve B face, drive the second uniaxial cylinder 2i2 to move the center position of the welding piece A of the output shaft, so that the guide bush B tightly abuts both ends of the welding piece A;

Step 5: Start the servo motor 3c, so that the first rubber roller 3a and the second rubber roller 3b drive the welding piece A and the guide sleeve B to rotate synchronously on the assembly table 1, thereby facilitating rolling welding;

Step 6: Drive the duplex working end of the longitudinal gantry assembly 6 to clamp a movable nut C on the nut feeding belts 5d on both sides and insert it coaxially at both ends of the welding piece A; drive the working end of the longitudinal gantry assembly 6 to reset, thereby making the longitudinal gantry In the component 6, the duplex working end clamps a first limit ring D on the limit ring feeding belts 5e on both sides and is coaxially inserted at both ends of the welding piece A;

Step 7: Drive the rolling assembly 3 and the duplex welding assembly 4 at the same time, so that the first limit ring D is coaxially welded on both ends of the welding piece A,

Step 8: Drive the longitudinal gantry assembly 6 so that its working end clamps the finished product and places it on the finished product conveyor belt 5b, and the finished product conveyor belt 5b transports it to the designated location.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions describe only the principles of the present invention. Without departing from the spirit and scope of the present invention, there are various Variations and improvements are intended to fall within the scope of the claimed invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. An automatic assembly equipment for heavy truck brake hoses, which is used to coaxially arrange a guide bush (B), a movable nut (C) and a first limit ring (D) at both ends of the welding piece (A) in turn. , the welding piece (A) is welded into a whole by the bellows, the braided mesh sleeve and the joint, and the inner circle end of the movable nut (C) is coaxially provided with a fixed ring (C1), which is characterized in that, it includes: assembly table (1); A sliding jaw assembly (2), the jaw ends are vertically upwardly arranged at the bottom of the working surface of the assembly table (1), and the clamping jaw portion of the sliding jaw assembly (2) is higher than the working surface of the assembly table (1), and works In the state, the jaw portion of the sliding jaw assembly (2) slides in the axial direction; The rolling assembly (3), the working end is disposed on the inner side of the gripper end of the sliding gripper assembly (2) in the same axial direction when the welding piece (A) is assembled; The duplex welding assembly (4), the working end is inclined toward the two ends of the assembly table (1) and is arranged on one side of the assembly table (1); The feeding assembly (5) includes a welding parts conveyor belt (5a), a finished product conveyor belt (5b), a guide sleeve feeding belt (5c), a nut feeding belt (5d) and a limit ring feeding belt (5e), the said The conveyors are arranged side by side on both sides of the assembly table (1), and the discharge end of the welding parts conveyor belt (5a) and the infeed end of the finished product conveyor belt (5b) are both facing the assembly table (1); the feeding belts are side by side and equally spaced It is arranged at both ends of the assembly table (1), and in the working state, the parts on the discharge end of the conveyor belt are all coaxial with the welding parts (A) on the assembly table (1); A longitudinal gantry assembly (6) and a transverse duplex gantry assembly (7), the gantry assembly is vertically arranged on the top of the assembly table (1), and the sliding direction of the working end of the longitudinal gantry assembly (6) is the same as the conveying direction of the conveyor belt , the duplex working end of the transverse duplex gantry assembly (7) is located at the top of the feeding belt. 2. The automatic assembly equipment for a heavy truck brake hose according to claim 1, wherein the sliding gripper assembly (2) comprises: a fixing plate (2a), which is arranged on the workbench of the assembly table (1). At the bottom, lifting seats (2a1) are provided on both sides of the top center of the fixed plate (2a), and waist-shaped grooves (2a2) are arranged on the lifting seat (2a1) along the vertical direction; The component (A) is axially and horizontally fixed on both sides of the top of the fixed plate (2a); the lifting rod (2c) is vertically slid on the top of the fixed plate (2a) in the same axial direction as the sliding rod (2b), and the two ends are connected to the waist The grooves (2a2) are slidably fitted; the first uniaxial air cylinder (2d) is arranged at the bottom end of the fixing plate (2a) and the output shaft vertically penetrates the fixing plate (2a) and is fixedly connected to the bottom end of the center of the lifting rod (2c); the sliding connection Rod (2e), the center of which is slidingly connected with both ends of the lifting rod (2c) and is horizontal with the fixing plate (2a), and both ends of the sliding link (2e) are hinged with the linear link (2f); the bending rod (2g), The bottom end is slidably matched with the sliding rod (2b) and the central position is hinged with the other end of the linear link (2f); the mounting plate (2h) is arranged on the inner side of the top end of the bending rod (2g), and the working end of the rolling assembly (3) is arranged at The inner side of the mounting plate (2h); the pusher (2i) is coaxial with the lifting rod (2c) and the working end is slidably arranged on the sliding rod (2b), and the working end of the pusher (2i) is connected to the bending rod (2g). ) sliding abutment on both sides of the bottom end. 3. The automatic assembly equipment for a heavy truck brake hose according to claim 1, wherein the rolling assembly (3) comprises: a first rubber roller (3a) and a second rubber roller (3b), which are combined with The welding piece (A) is coaxially arranged on the inner side of the clamping part of the sliding jaw assembly (2); the output shaft of the servo motor (3c) and the welding piece (A) are coaxially arranged on the sliding jaw assembly (2) clamped The outside of the claw portion; the synchronous belt (3d), one end of the rubber roller is connected with the output shaft of the servo motor (3c) in a synchronous drive. 4. The automatic assembling equipment for a heavy truck brake hose according to claim 1, wherein the rolling assembly (3) further comprises a limiting wheel (3e), which is vertically rotated and arranged on the clamp of the rolling assembly (3). One end of the claw, one end of the first rubber roller (3a) and one end of the second rubber roller (3b), the limit wheel (3e) and the output shaft of the servo motor (3c) are synchronously connected by a synchronous belt (3d). (3e) is concave towards the weldment (A). 5. The automatic assembly equipment for a heavy truck brake hose according to claim 1, wherein the assembly table (1) comprises: a placing plate (1a), and the sliding gripper assembly (2) is arranged on the placing plate (1a) The bottom end, the placement plate (1a) is provided with an L-shaped chute (1a1) for avoiding the sliding of the clamping jaws of the sliding jaw assembly (2); the arc-shaped placement seat (1b), with the notch facing upwards It is arranged on the top of the placing plate (1a) coaxially with the welding piece (A). 6. The automatic assembling equipment for a heavy truck brake hose according to claim 1, wherein the duplex welding assembly (4) comprises: a fine adjustment lifter (4a), the working end is vertically upwardly arranged on the One side of the assembly table (1); a longitudinal axis translator (4b) and a lateral duplex translator (4c), the translators are sequentially arranged on the top of the working end of the fine-tuning lifter (4a); the bracket (4d), arranged vertically On the top of the duplex working end of the transverse duplex translator (4c); the first welding head (4e) and the second welding head (4f), the working end of the welding head is inclined on both sides towards the two ends of the welding piece (A) The top of the bracket (4d). 7. The automatic assembly equipment for a heavy truck brake hose according to claim 1, wherein the longitudinal gantry assembly (6) comprises: a first gantry (6a), the sliding direction of the working end and the conveying of the welding parts The conveying direction of the belt (5a) is arranged on the top of the assembly table (1) in the same direction; the slider (6b) is slidably arranged on the top of the first gantry (6a); the linear lifter (6c), the output shaft is vertically downward arranged on the sliding The bottom end of the lifter (6b); the first wide finger cylinder (6d), with the jaw facing down, is arranged at the bottom of the working end of the linear lifter (6c); the first fixed jaw (6e) is arranged on the first wide finger cylinder (6d) ) clamping part. 8. The automatic assembling equipment for a heavy truck brake hose according to claim 1, wherein the transverse duplex gantry assembly (7) comprises: a second gantry frame (7a), and a longitudinal gantry assembly (6) ) is vertically arranged on the top of the assembly table (1); the synchronous belt sliding table (7b) is horizontally arranged on both sides of the top of the horizontal duplex gantry assembly (7); the ball screw sliding table (7c) is vertically arranged on the synchronous belt sliding table (7c). The working end side of the table (7b); the second wide finger cylinder (7d) is arranged at the bottom of the working end of the ball screw slide table (7c) through the clamping jaw bracket (7e); the second fixed clamping jaw (7f) is arranged at the The clamping part of the clamping jaw bracket (7e), the bottom end of the clamping side of the second fixed clamping jaw (7f) is provided with a guide slot (7f1), and the top of the guide slot (7f1) is provided with the first limit Bit ring (D) coaxial arc groove (7f2). 9 . The automatic assembling equipment for a heavy truck brake hose according to claim 2 , wherein the two ends of the lifting rod ( 2 c ) are also coaxially provided with a second coaxial device for preventing the sliding track from the waist-shaped groove ( 2 a 2 ). 10 . Limit ring (2c1). 10. The automatic assembling equipment for a heavy truck brake hose according to claim 2, wherein the pusher (2i) comprises: a pusher (2i), and the two sides are slidably arranged on the sliding rod (2b) , and the bottom end of the bending rod (2g) is located in the notch of the pusher (2i); the second uniaxial cylinder (2i2) is coaxial with the sliding rod (2b) and the output shaft is fixedly connected to the outer side of the concave frame (2i1).

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